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20000321112 = 2332963281251
BaseRepresentation
bin10010101000000111…
…001010111001011000
31220121212010120201210
4102220013022321120
5311430040233422
613104340143120
71305424632042
oct225007127130
956555116653
1020000321112
118533729302
123a62097aa0
131b6978ab45
14d7a36aa92
157c0cd110c
hex4a81cae58

20000321112 has 32 divisors (see below), whose sum is σ = 50017855680. Its totient is φ = 6664500000.

The previous prime is 20000321083. The next prime is 20000321141. The reversal of 20000321112 is 21112300002.

It is an interprime number because it is at equal distance from previous prime (20000321083) and next prime (20000321141).

It is a super-2 number, since 2×200003211122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69514 + ... + 211737.

It is an arithmetic number, because the mean of its divisors is an integer number (1563057990).

Almost surely, 220000321112 is an apocalyptic number.

It is an amenable number.

20000321112 is an abundant number, since it is smaller than the sum of its proper divisors (30017534568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000321112 is a wasteful number, since it uses less digits than its factorization.

20000321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284223 (or 284219 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20000321112 its reverse (21112300002), we get a palindrome (41112621114).

The spelling of 20000321112 in words is "twenty billion, three hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 2963 5926 8889 11852 17778 23704 35556 71112 281251 562502 843753 1125004 1687506 2250008 3375012 6750024 833346713 1666693426 2500040139 3333386852 5000080278 6666773704 10000160556 20000321112